METHOD FOR PRODUCTION OF HIGH-OCTANE BENZINE Russian patent published in 1995 - IPC

FIELD: petrochemistry. SUBSTANCE: unstable condensed gas is separated in dry gas, fat gas and stable condensed gas. Fat gas is catalytically processed, thus prepared products are separated in liquid fraction and dry gas. Liquid fraction is mixed with directly distilled benzine fraction which is isolated of stable condensed gas. Dry gas is processed in reactor at 580-650 C and pressure 0.1-2 MPa, volume rate of raw material being 100-1000 h^-1. The process is carried out in the presence of catalyst which contains 40.0-98.0 mass of crystalline silicate, 0.2-2.0 mass of mordenite and aluminosilicate. Mentioned above crystalline silicate is of pentasil type in Co, Zn, Pt- or Co, Zn, Re- or Co, Zn, Ru- or Ni Zn, Pt- form. Thus prepared products are mixed with products of catalytic processing of fat gas before their separation. Dry gas and fat gas may be catalytically processed in reactors with running layer of catalyst. Said process is followed by regeneration of waste catalyst in one regenerator. EFFECT: increases yield, increases octane number of benzine. 1 tbl, 1 dwg